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Old 03-24-2005, 05:31 PM
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There's a more technical reason too. The coating retains the heat inside the header. The o2 sensor being so far back, as oppose to 6 inches from the head with the manifolds on, will read somewhat lean if they aren't hot enough. The coating keeps them nice and hot so you get an accurate reading. Keeps the fuel mileage up and makes the headers show a much better gain from not running overly rich.

In your situation, you might want to get the Y-pipe as well.
Old 03-24-2005, 09:50 PM
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Originally Posted by 98TAauto
I may pass on a stall verter for now since im iffy on slapping one in a work truck(to many miles daily).

What are the best, somewhat good, and worst headers out there. Prices and hp gains also please

If you get long tubes, i take you have to buy the new y pipe and etc to match up?

I would kinda like to go stainless since I dont want them rusting off the truck in 1 year

power vs price is my main concern
Are you looking for headers for the truck in your sig? If so I don't think the Pacesetters will work on a 4x4 at least from what I've read here. I keep looking here hoping to someday see a post saying that Pacesetter has made a LT for the 4x4's that don't cost $$$$
Old 03-24-2005, 09:59 PM
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i just saw that... sucks that ther eis no budget header for 4x4's

the togs and ASM's look sweet, but they are big bucks
Old 03-24-2005, 10:09 PM
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Originally Posted by 98TAauto
i just saw that... sucks that ther eis no budget header for 4x4's

the togs and ASM's look sweet, but they are big bucks
you can say that again Im really tempted to be a guinea pig on this and if they dont work Ill make em. Just dont know about reheating and bending coated pipes
Old 03-24-2005, 10:31 PM
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Originally Posted by 98TAauto
i just saw that... sucks that ther eis no budget header for 4x4's

the togs and ASM's look sweet, but they are big bucks
The Thorleys fit 4x4's!!! And they are reasonably priced. Coated and un-coated.
Old 03-24-2005, 10:37 PM
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Originally Posted by 99Silver5.3
The Thorleys fit 4x4's!!! And they are reasonably priced. Coated and un-coated.
I havent heard much about them what sort of gains are people seeing the tubes look alot shorter because of the tri y design almost like midlength. hhhmmmmm
Old 03-25-2005, 07:29 AM
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i saw those in summit.. pretty nice price also. But I didnt know if anyone had tried them on the newer GM trucks yet
Old 03-25-2005, 12:17 PM
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Originally Posted by 99Silver5.3
The Thorleys fit 4x4's!!! And they are reasonably priced. Coated and un-coated.
will they fit on a 6.0???

where do you find these thorleys at?
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